Seiko Cal. 3892 - 179

This Hand-Winding model from 1975 features a 37mm Titanium case. With its 19mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-99a05c61965c]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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